Fix unmarshal of double pointer (#47586) (#47607)

* Fix unmaarshal of double pointer

* update sdk version

(cherry picked from commit 0bf889e058)

Co-authored-by: ying-jeanne <74549700+ying-jeanne@users.noreply.github.com>

pkg/api/dashboard.go

@@ -453,9 +453,10 @@ func (hs *HTTPServer) GetHomeDashboard(c *models.ReqContext) response.Response {
 	dash.Meta.IsHome = true
 	dash.Meta.CanEdit = c.SignedInUser.HasRole(models.ROLE_EDITOR)
 	dash.Meta.FolderTitle = "General"
+	dash.Dashboard = simplejson.New()
 
 	jsonParser := json.NewDecoder(file)
-	if err := jsonParser.Decode(&dash.Dashboard); err != nil {
+	if err := jsonParser.Decode(dash.Dashboard); err != nil {
 		return response.Error(500, "Failed to load home dashboard", err)
 	}
 

pkg/api/dashboard_test.go

@@ -1115,8 +1115,8 @@ func restoreDashboardVersionScenario(t *testing.T, desc string, url string, rout
 }
 
 func (sc *scenarioContext) ToJSON() *simplejson.Json {
-	var result *simplejson.Json
-	err := json.NewDecoder(sc.resp.Body).Decode(&result)
+	result := simplejson.New()
+	err := json.NewDecoder(sc.resp.Body).Decode(result)
 	require.NoError(sc.t, err)
 	return result
 }